Novel  hourglass design, strong bass power, the high density of pure metal box  may better reflect realism sense of the sound quality.
Sound power : 5W ( powered by USB  cable or built-in polymer lithium battery )
Sound power : 15W (12V 2A power supply )
Frequency Response : 80HZ - 20KHZ
S/N : more than 80db
Speaker specifications : 4 Ω 15W resonance horn + 16 core dual magnetic horn high-fidelity horn
Application Environment: wooden desktop